Henry IV, also known by the epithets Good King Henry or Henry the Great, was King of Navarre from 1572 and King of France from 1589 to 1610. He was the first monarch of France from the House of Bourbon and a Huguenot. Therefore, Henry was involved in the French Wars of Religion, barely escaping assassination in the St. Bartholomew's Day massacre. The book presented here gives a historical account of his life and deeds.